Payment can be made globally with a credit card or through mobile airtime credit.

Users can pay globally using their mobile phone airtime credit though the global telco billing.

The intentionally flexible software program was tweaked for this project so that airtime credit can be automatically sent to individual health workers upon request.

Zain was the first mobile company to introduce phone-to-phone airtime credit transfer service in 2005 (Me2U).

Its origins come from shrewd cell phone users realising there was value in the pre-paid airtime credit they purchased on their phones.

Election lawyers, however, saw the arrangement in reverse — the candidate riding piggyback on the airtime credits of the party-list group.

The airtime credit applies on top of the standard $5 activation credit and any other airtime the customer buys.

Winners of spot prize airtime credits will be notified by text and their accounts (whether prepaid or postpaid) will automatically be credited within 5 working days.

AT&T GoPhone packages, which include a new device plus $15 airtime credit, are available in all AT&T stores, as well as other retail locations.

Dozens of volunteer health workers, each covering a different community, have been given cell phones notched with identifying numbers and loaded with prepaid airtime credit for communicating with the hospital.

Every SOLO phone package comes with Digital Nokia 3285 cellular phone, a long lasting battery, AC charger and an $20.00 airtime credit to get you started.

They specialise in providing low cost International calls to African countries and value added services such as airtime credit transfer, with their main user base comprising ethnic communities within the UK.

Gamos researchers approached MCel in Mozambique, and in 2004 MCel introduced the first authorised airtime credit swapping - a precursor step towards M-Pesa.

Once activated, the airtime credit is valid for 30 days from the date of activation after which all incoming / outgoing calls will be barred unless topped up / reloaded with new credits.

Between now and November 10, 2007, kajeet is offering a $50 airtime credit for new activation by Disney Mobile subscribers who transfer their number and sign up for the kajeet(R) service.

One such example is Praekelt Foundation, which will be integrating Stellar into Vumi, it's open-source messaging app, to let young girls in Sub-Saharan Africa save money in airtime credits.

The service is presented on both mobile and web platforms and features multiple payment methods like the direct airtime credit billing, some of which are catered to deal with the unique challenges of the Nigerian market which is largely a cash only society.

Prepaid mobile phone services are typically purchased by a customer who buys a mobile handset and airtime credit and then obtains additional airtime credit vouchers or buys stored value cards with cash, debit or credit card transactions.